WorksheetsUnit 3 Outbreak Review
Total questions: 23
Worksheet time: 15mins
If 80 people ate chicken salad and 20 of them became ill, what is the attack rate for the chicken salad?
25%
80%
20%
100%
50%
Which of the following best describes the purpose of calculating a food-specific attack rate during an outbreak investigation?
To measure the severity of symptoms
To calculate the average age of affected individuals
To determine the total number of people at the event
To identify the food item most likely responsible for illness
True or False: The attack rate can help epidemiologists compare the risk of illness between different food items served at the same event.
False
True
Which of the following statements about attack rates is correct?
Attack rates are not useful in outbreak investigations
Attack rates are only used to measure chronic diseases
Attack rates are calculated by dividing the number of well people by the total number of people
Attack rates help identify the likelihood of illness after exposure to a specific food
If 50 people ate potato salad and 10 of them became ill, what is the attack rate for the potato salad?
50%
25%
20%
10%
80%
True or False: Calculating attack rates for each food item can help pinpoint the source of a foodborne outbreak.
True
False
If 120 people ate shrimp cocktail and 30 of them became ill, what is the attack rate for the shrimp cocktail?
30%
25%
10%
20%
50%
True or False: A low attack rate for a food item suggests it is unlikely to be the source of an outbreak.
False
True
Which of the following is NOT a use of attack rates in outbreak investigations?
Identifying the most likely source of illness
Comparing risk between different food items
Estimating the likelihood of illness after exposure
Measuring the severity of symptoms
How can the rate of an infectious disease be drastically reduced?
by taking medication daily
by preventing transmission between people
by wearing clean clothing daily
by performing dental hygiene three times each day
This term is used when a disease affects a large proportion of the people over a large area.
Epidemic
Pandemic
Disease
Pathogens
How does contact tracing help in controlling disease outbreaks?
Contact tracing helps in controlling disease outbreaks by providing treatment to infected individuals.
Contact tracing helps in controlling disease outbreaks by implementing travel restrictions.
Contact tracing helps in controlling disease outbreaks by promoting vaccination campaigns.
Contact tracing helps in controlling disease outbreaks by identifying and monitoring individuals who have come into contact with an infected person.
What is the purpose of epidemiological data analysis?
To analyze individual patient data.
To study and understand patterns, causes, and effects of health and disease conditions in populations.
To develop new treatments for diseases.
To predict future disease outbreaks.
What is outbreak investigation in epidemiology?
Process of studying the long-term effects of an outbreak of a disease or illness
Process of identifying and controlling the source of an outbreak of a disease or illness
Process of promoting the use of vaccines during an outbreak of a disease or illness
Process of preventing the spread of an outbreak of a disease or illness
What is the first step in identifying the source of an outbreak?
Conducting laboratory tests
Defining the case criteria
Interviewing affected individuals
Reviewing existing data
You are playing the game of operation with your friends, what are two methods of prevention you could use so that your patient does not contract your germs?
Washing hands with soap and water.
Coughing into my elbow instead of my hand.
Covering my sneeze.
All of the above.
